Around the globe, Sikau (Sikau 
) is a rare predominantly masculine, but scarcely female first name. The given name Sikau is habitual in Southern Asia, particularly India, where it is an extremely rare masculine name. Likewise, Sikau is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sikau | Germany, South Africa, Malaysia, Nigeria, India |